/* get FPR and VR use flags with sc 0x7FF3 */
/* get vsave with mfspr reg, 256 */

.text
.align 2

.globl	__setlabel

__setlabel:				/* xxx: instruction scheduling */
	mflr	r0
	mfcr	r5
	mfctr	r6
	mfxer	r7
	stw	r0, 0*4(r3)
	stw	r5, 1*4(r3)
	stw	r6, 2*4(r3)
	stw	r7, 3*4(r3)

	stw	r1, 4*4(r3)
	stw	r2, 5*4(r3)
	li	r5, 1				/* return value for gotolabel */
	stw	r5, 6*4(r3)

	stw	r13, (0+6)*4(r3)	/* callee-save GPRs */
	stw	r14, (1+6)*4(r3)	/* xxx: block move */
	stw	r15, (2+6)*4(r3)
	stw	r16, (3+6)*4(r3)
	stw	r17, (4+6)*4(r3)
	stw	r18, (5+6)*4(r3)
	stw	r19, (6+6)*4(r3)
	stw	r20, (7+6)*4(r3)
	stw	r21, (8+6)*4(r3)
	stw	r22, (9+6)*4(r3)
	stw	r23, (10+6)*4(r3)
	stw	r24, (11+6)*4(r3)
	stw	r25, (12+6)*4(r3)
	stw	r26, (13+6)*4(r3)
	stw	r27, (14+6)*4(r3)
	stw	r28, (15+6)*4(r3)
	stw	r29, (16+6)*4(r3)
	stw	r30, (17+6)*4(r3)
	stw	r31, (18+6)*4(r3)

	li	r3, 0			/* return */
	blr

.globl	__gotolabel

__gotolabel:
	lwz	r13, (0+7)*4(r3)	/* callee-save GPRs */
	lwz	r14, (1+7)*4(r3)	/* xxx: block move */
	lwz	r15, (2+7)*4(r3)
	lwz	r16, (3+7)*4(r3)
	lwz	r17, (4+7)*4(r3)
	lwz	r18, (5+7)*4(r3)
	lwz	r19, (6+7)*4(r3)
	lwz	r20, (7+7)*4(r3)
	lwz	r21, (8+7)*4(r3)
	lwz	r22, (9+7)*4(r3)
	lwz	r23, (10+7)*4(r3)
	lwz	r24, (11+7)*4(r3)
	lwz	r25, (12+7)*4(r3)
	lwz	r26, (13+7)*4(r3)
	lwz	r27, (14+7)*4(r3)
	lwz	r28, (15+7)*4(r3)
	lwz	r29, (16+7)*4(r3)
	lwz	r30, (17+7)*4(r3)
	lwz	r31, (18+7)*4(r3)

	lwz	r1, 4*4(r3)
	lwz	r2, 5*4(r3)

	lwz	r0, 0*4(r3)
	mtlr	r0
	lwz	r0, 1*4(r3)
	mtcr	r0			/* mtcrf 0xFF, r0 */
	lwz	r0, 2*4(r3)
	mtctr	r0
	lwz	r0, 3*4(r3)
	mtxer	r0

	lwz	r3,	6*4(r4)
	blr